RubyMine includes bundled evaluation license key for a free 30-day trial.
RubyMine 7.1 is available (released: April 15, 2015, updated: July 3, 2015)
Read what's new in RubyMine 7 & 7.1, download and try it.
RubyMine 8 Kusunoki EAP is open (updated: August 24, 2015)
Ruby plugin for IntelliJ IDEA is updated according to RubyMine's Development Roadmap.
Plugin is available in the Plugin Repository. You can also download Older plugin versions.
Choosing between IntelliJ IDEA with Ruby plugin and RubyMine? Find out the differences.